(19)
(11) EP 4 433 820 A1

(12)

(43) Date of publication:
25.09.2024 Bulletin 2024/39

(21) Application number: 22839029.0

(22) Date of filing: 16.11.2022
(51) International Patent Classification (IPC): 
G01N 33/24(2006.01)
E21B 10/00(2006.01)
 G01V 5/06(2006.01)
(52) Cooperative Patent Classification (CPC):
G01V 5/06; G01N 33/24; E21B 25/00
(86) International application number:
PCT/US2022/050126
(87) International publication number:
WO 2023/091500 (25.05.2023 Gazette 2023/21)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 16.11.2021 US 202117455128

(71) Applicant: Aramco Services Company
Houston, TX 77002 (US)

(72) Inventors:
  • CHEN, Jin-hong
    Houston, TX 77084 (US)
  • ALTHAUS, Stacey, M.
    Houston, TX 77084 (US)
  • ZHANG, Houzhou
    Houston, TX 77084 (US)

(74) Representative: Osha BWB 
2, rue de la Paix
75002 Paris
75002 Paris (FR)

   


(54) METHOD AND SYSTEM FOR DETERMINING GAMMA-RAY MEASUREMENTS USING A SENSITIVITY MAP AND CONTROLLED SAMPLING MOTION